31 Jul '16, 2pm

Taking the Converted PC PSU Bench Supply a Step Further

Taking the Converted PC PSU Bench Supply a Step Further

A quality bench power supply is essential for electronics work. Nobody wants to go through the trouble of digging through their electronics bin just to find a wall wart with the right output. And, even if you were so inclined, it would be folly to assume that its output would actually be clean. You could, of course, purchase a purpose-built bench power supply. But, this is Hackaday, and I’m sure many of you would rather build one yourself from an inexpensive PC power supply. Normally, you’d do this by separating out the different voltage lines into useful groups, such as 12V, 5V, and 3.3V. [Supercap2f] wanted to take this a step further , both to get a more useful unit and to practice his PCB-making. His design uses a custom circuit design to fuse the circuits, and to provide some basic logic. Using the LCD display, you can see which lines are powered on. There is even a s...

Full article: http://hackaday.com/2016/07/31/taking-the-converted-pc-ps...

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